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The AAPG/Datapages Combined Publications Database
Showing 27,167 Results. Searched 195,372 documents.
High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP
Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist
International Meeting for Applied Geoscience and Energy (IMAGE)
... measurement. Angular designature was applied to compensate the velocity transformed data for source signature variations with source take-off angle...
2023
Resolution of Seismic Attributes in Defining Fracture Systems
Yongyi Li
Search and Discovery.com
... velocity variation, amplitude variation with incident angle and azimuth, and similarity between adjacent seismic traces. The resolution...
Unknown
Resolution of Seismic Attributes in Defining Fracture Systems
Yongyi Li
Search and Discovery.com
... velocity variation, amplitude variation with incident angle and azimuth, and similarity between adjacent seismic traces. The resolution...
Unknown
Challenges in Mapping Seismically Invisible Red Fork Channels, Anadarko Basin, Oklahoma
Rachel Barber, Kurt Marfurt
Oklahoma City Geological Society
... results from a non-producing Red Fork well to a producing Red Fork well. Amplitude variation as a result of the stratigraphic content was a question...
2010
Nonmarine Sedimentation in an Active Fore Arc Basin
Richard K. Vessell, David K. Davies
Special Publications of SEPM
... material to the volcano flanks via glowing ava lanches and airfall During the wet season May to October lahars and stream floods redistribute...
1981
Seismic Activity in the Central Gulf Coast Basin
Eugene R. Brumbaugh
New Orleans Geological Society
..., a structural drape over the margin and numerous long continuous foreset reflections south of the margin. Reflectivity amplitude diminises over the margin...
1991
Time Lapse Feasibility Seismic Study of Gas Carbonates Reservoir in Tetra Field, Indonesia
Helmi Indrajaya, Boris Gurevich, Maxim Lebedev, Sigit Sukmono
Indonesian Petroleum Association
... for both 1405 ms condition and the final condition. AVO Curve Model Figure 14 shows amplitude variation with angle at Top Manawa Member and at 1st GWC...
2014
Abstract: Post-stack Inversion of the Hussar Low Frequency Seismic Data; #90187 (2014)
Patricia E. Gavotti, Don C. Lawton, Gary F. Margrave, and J. Helen Isaac
Search and Discovery.com
... used for this test. The results at the well locations show a good match but the lateral variation and character of the events resemble more...
2014
Unlocking Value from Vintage Seismic Processing - Pre-stack Conditioning and Inversion in the Eagle Ford Shale
Andrew Munoz, Bill Shea
Unconventional Resources Technology Conference (URTEC)
... migration to convert the offset gathers to angle, and we limit the angle range to 30 degrees, which is the highest angle with reliable data...
2020
Abstract: Correlation of swath bathymetric images with metrics derived from seismic and sidescan data
B. Nichols, R. Courtney, G. Fader, R. Parrott
Atlantic Geology
... the correlation. Metrics derived from reflection seismic data include reflectivity coefficients RI and R2, and trace-to-trace coherence. The first...
1993
ABSTRACT: Wavelet Dispersion and Bright-Spot Detection, by Peter C. Luh; #91022 (1989)
Search and Discovery.com
1989
Abstract: Robust AVO Processing for Arctic Exploration, by H. W. Swan; #90008 (2002).
Search and Discovery.com
2002
Implications for the hydrocarbon presence: An example from Lower Indus Basin
Search and Discovery.com
N/A
Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir
Carmen C. Dumitrescu, Larry Lines
AAPG Special Volumes
... on the migrated stack and on amplitude-versus-offset (AVO) attributes (P- and S-wave impedance reflectivity). Examples provided in this chapter are from...
2013
Seismic Reservoir Characterisation of a Channel Sand Oil and Gas Field, Malaysia (Paper A11)
T. J. Focht, M. Sams, D. Brookes, J. Ting
Geological Society of Malaysia (GSM)
... to use high angle data would greatly enhance the ability to identify the channel and fluid fill. The rock physics modelled logs were used for tying...
2012
Abstract: Time-lapse AVO Inversion; #90187 (2014)
A. Nassir Saeed, Laurence R. Lines, and Gary F. Margrave
Search and Discovery.com
... time-lapse AVO inversion algorithms: 1) total inversion of the differences, 2) inversion of seismic difference only and 3) sequential reflectivity...
2014
ABSTRACT: Seismic-Based Geomechaical Modeling Provides Attributes for Directional Well Planning; #90013 (2003)
EVGENII KOZLOV, IGOR GARAGASH, ALLEN LOWRIE
Search and Discovery.com
... planning. We show how 3D distributions of these parameters can be mapped by azimuthal analysis of seismic interval velocity and angle of incidence dependent...
2003
What is Horizontal Resolution?
L. R. Denham, R. E. Sheriff
Indonesian Petroleum Association
... significant conversion of compressional energy into transverse waves, and a variation in the reflectivity. This changes the amplitude of the reflection from...
1981
Formation Anisotropy and Heterogeneity Evaluation with a High-Resolution LWD Ultrasonic Slowness Imaging Tool
Naoki Sakiyama, Hiroshi Hori, Hiroaki Yamamoto, Hiroshi Nakajima, Matthew Blyth, Syed Muhammad Fahim Ud Din, Mark Kittridge
Unconventional Resources Technology Conference (URTEC)
... Acoustic anisotropy and heterogeneity of unconventional formations with ultrasonic slowness and reflectivity images acquired with a newly developed...
2020
Abstract: Improved Extraction and Quality Control of Pre-Stack Seismic Attributes, by Roy Burnstad and Timothy Keho; #90105 (2010)
Search and Discovery.com
2010
Structure of Albertite from New Brunswick, Canada
Ganjavar Khavari-Khorasani
CSPG Bulletin
... for the squares of absorptive index. These imaginary figures are due to the experimental errors arising from reflectivity measurements, particularly...
1983
Assessing mineral composition and permeability of a shale seal
Roman Beloborodov, Marina Pervukhina, Maxim Lebedev, Juerg Hauser
Petroleum Exploration Society of Australia (PESA)
... inversion is performed on three partial angle stacks using linearised Zoeppritz equations (Rüger 1997), where the P-wave reflectivity is expressed through...
2019
Optimum Deconvolution for Seismic Inversion Purposes
M. Suprajitno, L. Nutt, P. Busono
Southeast Asia Petroleum Exploration Society (SEAPEX)
... produces reflectivity series from which the acoustic impedance computation starts. The technique has been proved to be flexible in that the minimum, mixed...
1988
Processing the first full azimuth OBN survey in Australia: a step change in imaging quality
Unnikrishnan Chambath, Vincent Ganivet, Sergey Birdus, Joe Zhou, Alain Delorme, Leigh Scoby-Smith, Ivan Gregory, Matt Kovacevic, Tim Williams, Chris Walton
Petroleum Exploration Society of Australia (PESA)
... the fault shadow issue The root cause of the fault shadow is the strong velocity variation across the faults. It creates a weak illumination thus low signal...
2019
The Use of Time-Lapse Seismic Attributes for Characterizing Hydraulic Fractures in a Tight Siltstone Reservoir
N. Riazi, C.R. Clarkson
Unconventional Resources Technology Conference (URTEC)
... engineering inputs and seismic data can be quantified. In inversion, an attempt is made to recover the reflectivity by removing the wavelet effect...
2017